Get a 120 volt ac to 12volt dc power supply. you plug them into a house outlet and it converts120 house voltage to 12 volt dc , some have regulators on them and you can turn the dc voltage up and down on them. make sure you set your device to the proper voltage before turning on.
an AC Adapter allows you to plug your computer into a standard wall outlet
No, it will cause the bulb to blow. A 12 volt light is DC voltage and your home outlet is AC voltage.
Change the wall outlets
They do make base station CB radios, which run off of 120v AC power.
A power supply receives 120 volts of AC power from a wall outlet and converts it to 3.3, 5, and 12 volts of DC power.
You can get a tester that plugs into the outlet at any home improvement store.
You could use an extension cord.
No. Current does not come from a wall outlet unless the wall outlet is part of a complete circuit.
Some use AC electric power from a wall outlet. Some use DC electric power from a rechargeable battery (but this was originally charged using AC electric power from a wall outlet).
Also called a power supply, plugs in to a standard wall outlet to provide 12 volt DC or 24 volt AC power for cameras and other low voltage devices
Desktop
No. Car stereos run on 12v DC power. A wall outlet, depending on where in the world you are, gives out either 110-120 or 220-240v AC power.